Finding the Fourth Proportional to 10,821.22, 14,940.01 and 8,298.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,821.22 : 14,940.01 = 8,298.48 : x
2. Step 2: Convert to fraction form
   10,821.22/14,940.01 = 8,298.48/x
3. Step 3: Cross multiply
   10,821.22x = 14,940.01 × 8,298.48
4. Step 4: Simplify right side
   10,821.22x = 123,979,353.44
5. Step 5: Solve for x
   x = 123,979,353.44/10,821.22
6. Step 6: Final answer
   x = 11,457.06